/*
 * Copyright (c) 2011, Andrea Palloni
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * - Neither the name of the copyright holder nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package net.palla.biblio.client;

import java.util.List;

import net.palla.biblio.shared.Publisher;
import net.palla.biblio.shared.PublisherInfo;

import com.google.gwt.cell.client.TextCell;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.ListDataProvider;

public class PublisherListPanel extends Composite {
	private BiblioServiceAsync service;

	private static PublisherListPanelUiBinder uiBinder = GWT.create(PublisherListPanelUiBinder.class);

	interface PublisherListPanelUiBinder extends UiBinder<Widget, PublisherListPanel> {}

	@UiField TextBox tbName;
	@UiField Button btnSearch;
	@UiField Button btnNew;
	@UiField(provided = true) CellTable<Publisher> tablePublishers;
	
	private ListDataProvider<Publisher> dataProvider = null;	
	
	public PublisherListPanel(BiblioServiceAsync service) {
		this.service = service;
		
		//provided is true so it must be filled before calling createandbind
		// Set a key provider that provides a unique key for each contact. If key is
	    // used to identify contacts when fields (such as the name and address)
	    // change.
		tablePublishers = new CellTable<Publisher>(PublisherInfo.KEY_PROVIDER);
		tablePublishers.setWidth("100%", true);
		
		// Address.
	    Column<Publisher, String> nameColumn = new Column<Publisher, String>(
	        new TextCell()) {
	      @Override
	      public String getValue(Publisher object) {
	        return object.getName();
	      }
	    };
	    /*
	    nameColumn.setSortable(true);
	    sortHandler.setComparator(addressColumn, new Comparator<ContactInfo>() {
	      public int compare(ContactInfo o1, ContactInfo o2) {
	        return o1.getAddress().compareTo(o2.getAddress());
	      }
	    });
	    */
	    tablePublishers.addColumn(nameColumn, "Name");
	    tablePublishers.setColumnWidth(nameColumn, 60, Unit.PCT);		
		
	    // Create a data provider.
	    dataProvider = new ListDataProvider<Publisher>();
	    // Connect the table to the data provider.
	    dataProvider.addDataDisplay(tablePublishers);
	    
		initWidget(uiBinder.createAndBindUi(this));
	}

	@UiHandler("btnNew")
	void onBtnNewClick(ClickEvent event) {
		PublisherDetailPanel details = new PublisherDetailPanel(service, null);
		details.setGlassEnabled(true);
		details.setAnimationEnabled(true);
		details.center();
		details.show();
	}

	@UiHandler("btnSearch")
	void onBtnSearchClick(ClickEvent event) {
		try {
		    dataProvider.getList().clear();			
			service.getPublishers(tbName.getText(), new AsyncCallback<List<Publisher>>() {
				
				@Override
				public void onSuccess(List<Publisher> result) {
				    List<Publisher> list = dataProvider.getList();
					for (Publisher publisher : result) {
						list.add(publisher);
					}
				}
				
				@Override
				public void onFailure(Throwable caught) {
					Window.alert(caught.getMessage());					
				}
			});
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
}
